Shift-Option -- Offers finer adjustment of screen brightness. Keyboard Backlight Option -- Opens the "Keyboard" system preferences. Expose Control Shift -- Performs expose in slow motion.

Can't change screen brightness? If the Function key for Brightness is not working in Windows 11/10, the problem may be with drivers. This post will help you fix the issue.

For the uninitiated, Universal Control allows you to use an iPad as a companion display for a Mac that can be controlled with the same keyboard and mouse.

For all of its system that use an Apple-supplied display, Apple's brightness keyboard controls should allow you to do this.